Help to modify the reply list for accounting response packets.

Hi , Like to add some vendor speciifc parameters in the request list and the reply list. I have created the dictionary file for vendor specfic attributes and tested it also with NTRadPing utitlity. I understand from the document and manual that if i want this attributes to be added to the Accounting response then i need to add this attributes to the reply list. But i do not know where and how to add this reply list could be modifed so that it gets included in the accounting response. Do i need to do some changes with the sql.conf ? It whould be great help if some body could help me on this. Thanks and regards Shankar ganesh